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Acta Horticulturae Sinica ›› 2022, Vol. 49 ›› Issue (4): 801-815.doi: 10.16420/j.issn.0513-353x.2021-0660

• Research Papers • Previous Articles     Next Articles

Studies on Transcriptome During Fruiting Body Development of Lentinula edodes

SHEN Nan, ZHANG Jingcheng, WANG Chengchen, BIAN Yinbing, XIAO Yang*()   

  1. Institute of Applied Mycology,Huazhong Agricultural University,Wuhan 430070,China
  • Received:2021-08-26 Revised:2022-03-21 Online:2022-04-25 Published:2022-04-24
  • Contact: XIAO Yang E-mail:xiaoyang@mail.hzau.edu.cn

Abstract:

Samples from different stages and tissues(pileus and stipe of fruiting body)during the development of Lentinula edodes were collected and sequenced. By transcriptomic analyses,we identified differentially expressed genes. Then,gene expression trend,gene co-expression network and differentially alternative splicing event were analyzed. Results showed that a large number of CAZyme genes were up-regulated in mycelia browning. Genes associated with signal transduction,such as photoreceptors,and genes related to melanin biosynthesis may also be involved in mycelia browning. Primordium formation may be associated with genes involved in environmental factor sensing,ribosome biogenesis,fungal cell wall remodeling,protein degradation and chromatin modification. Genes associated with DNA replication and protein degradation may play important roles in pileus development,while genes encoding glycoside hydrolases may function in pileus opening. Genes encoding carbonic anhydrase,chitinases,GH55 and cytochrome P450s may serve the functions in stipe elongation.

Key words: Lentinula edodes, fruiting body development, transcriptome, spatiotemporal expression, co-expression network, alternative splicing

CLC Number: